You Look So Familiar!

So in Part 1, Marty McFly goes back to 1955 and, after messing it up, gets his parents together so they can make his siblings and him. After getting the necessary 1.21 gigawatts from the lightning that strikes the clock tower, he goes back to 1985 to find his parents are much better off that in the original 1985 timeline. Basically, they are both into each other and tennis and have extra money to buy their third child a new 4x4 Toyota.

In the original timeline, Marty's mother Lorraine reminisces about how she and George first met and their first kiss at the Enchantment Under the Sea dance. She obviously has told her children this story before, so it must be a lasting memory. Probably because her life is the pits and that was the one good thing in it.

Now in the new 1985 timeline, she must remember how she and George first met because it's an even more memorable story. She was about to get raped by the school bully and George stood up to him and knocked him out and there was this guy Calvin Klein, who also went by Marty, that was in school for about a week and then disappeared and I had the hots for him, but he kept trying to get your dad to ask me out. He kissed me at the Enchantment Under the Sea dance while that guy Calvin/Marty played guitar with the band. Later that same night he told me to go easy on one of my kids if he ever spilled juice on the carpet and left. Then I muttered "Marty. I like that name." And that's why I named Marty Marty.

Now that's a story to tell the kids about how you met. Something you surely won't forget. You actually named one of your children after that guy you knew only for a week in high school. And call me crazy, but you look exactly like him, too.

"George, back me up on this."

"What, Lorraine?"

That guy we knew for a week in high school that got us together. He looked exactly like Marty does. That guy Calvin. Or Marty. His uncle called him Marty. Hey! His uncle looked just like that guy you're always hanging out with all the time, Marty. The scientist guy. He looked just like him. I had such a huge crush on that guy Calvin/Marty until your dad punched Biff out. Biff! George, get Bitch in here. He saw him, too. He'd say you look just like him. Biff chased that guy around the square and actually wrecked his car into a manure truck. Biff, tell him about that Calvin/Marty guy.

"I don't want to, Mrs. McFly."

"Tell him, Bitch Biff. Or I'm not paying you."

"He was riding a skateboard thing like the one you always ride, Marty. But it was about 20 years before they were invented. I also tried to kill him in a tunnel when he tried to steal an almanac from the future that a distant relative gave to me. He had another kind of skateboard, but it didn't have any wheels. It just sort of hovered."

"Alright, Biff. That's enough. Get back to trimming the hedge."

So yeah. Three people at the McFly house would remember this guy Calvin/Marty. Especially the Marty part. Even though they had a son born just a couple years after that night, they named him Dave. Thirteen years after that night they had a second son and named him Marty. Thirteen years later. They had to have remembered the guy pretty good. And now that kid Marty is about as old as that guy Marty was and he looks just like him and talks just like him and hangs out with that old scientist guy like that guy did.

Weird...